baber/WOPTO huggingface dataset:
Patent GB-1277853-A (GB)
Title: Gas turbine engines
Inventor: MULLINS JOHN ALBERT
IPC: F02C7/32
Filed: 1970-11-13
Abstract: 1277853 Gas turbine engines; ducted fan engines ROLLS-ROYCE Ltd 13 Nov 1970 54044/70 Heading F1G and F1J A gas turbine engine comprises a power takeoff shaft, one end of which is drivingly connected to the main shaft of the engine and other end of which is adapted for driving connection to an accessory drive mechanism, the power take-off shaft having between its ends windings whereby it constitutes the rotor of an electric machine. The engine shown is a gas turbine ducted fan engine which comprises a fan casing 50 defining with the casing 26, 28 of the gas generator 20 a fan duct 16. A power take-off shaft 32, rotatably mounted in bearings 34, is driven from the shaft 24 of the gas generator through gearing 30, a further shaft 38 being in splined engagement with the outer end of the take-off shaft 32. The shaft 38 is connected through gearing 42 to drive engine accessories 44, 46. The shaft 38 carries windings so that it constitutes the rotor of an electric machine the stator assembly of which is mounted within casing 40. The gearing 42 and accessories 44, 46 are disposed within a hollow strut 18 which extends across the fan duct 16. The engine support pylon 14 also extends across the fan duct 16 diametrically opposite the strut 18.
Patent GB-1364904-A (GB)
Title: Disc dictation machines
IPC: G11B5/00
Filed: 1971-11-22
Abstract: 1364904 Magnetic disc dictation machine INTERNATIONAL BUSINESS MACHINES CORP 22 Nov 1971 [18 Dec 1970] 54056/71 Heading G5R The description is the same as that in Specification 1,364,905, but the claims are directed to record storage.
Patent GB-1285989-A (GB)
Title: Furniture covering apparatus
Inventor: RUEDGISCH EDGAR VON
IPC: B68G7/05
Filed: 1969-11-05
Abstract: 1285989 Furniture covering machines E VON RUDGISCH 5 Nov 1969 [5 Nov 1968] 54113/69 Heading A4M Apparatus for fitting a cover on to a part of an article of furniture having non-parallel sides or irregular contrar comprises a frame carrying a support on which a cover 42 may be supported in an inside out condition, a first piston and cylinder assembly 18, 16 actuable in a vertical direction to effect relative movement between the support and the part to be covered, and means for simultaneously or sequentially creating non- vertical relative movement between the support and the said part, the arrangement being such that the relative movements cause the cover to be drawn over said part as the cover is progressively turned from its inside out condition. In one embodiment, Figs. 1, 2, the part 44 to be covered comprises two angularly disposed limbs 48, 46. The cover support includes channel section end plates 32 and spaced, horizontal turning plates 34 carried by a frame 24, 25 adjustably secured, at 22, on the vertical piston 18. The lower limb 48 is supported on the end of the cover 42 fitted over the support 32, 34 whilst the upper limb 46 is held by clamps 62 on a cross-bar 60 displaceable by a second piston and cylinder assembly 64. In a first stage the piston 18 is moved upwardly while the part 44 is held stationary whereby the lower limb 48 is received within the support 32, 34 and becomes progressively covered. Thereafter, simultaneous operation of a third, horizontal, piston and cylinder assembly 52, 54 and the second assembly 64 causes a pivoting of the part 44 so that the upper limb 46 is vertical and downward displacement of the part 44 into the now stationary cover support 32, 34 whereby the upper limb 46 becomes  covered. In another embodiment, Figs. 8, 9, for covering a wedge shaped part 90, the latter rests on a fixed support surface 102 and the vertically displaceable cover support comprises two half shells 104, 106 hinged at their lower edges 108. As the cover support is displaced upwardly by the vertical piston 18, one of the half shells 106 hinges against the action of a spring 110 to conform to the contour of the wedge shaped part 9 as the latter is received between the half shells 104, 106. In a further embodiment, Figs.12, 13 for covering the back 20 of an armchair 116 with wings 121, the cover support frame which is vertically displaceable by the piston 18 comprises two central, spaced, trapezium shaped plates 140 to which are hinged two channel section endplates 142 which pivot outwardly as they pass over the wings 121. The armchair 116 is held in position by an inverted U-shaped arm 126 hinged at its lower end 124. A pressing member 148 is displaceable with the piston 18 to compress the seat 118 of the armchair 116 at the end of the movement to facilitate manually fitment of the end portions 43 of the cover.
Patent GB-1483896-A (GB)
Title: Supplying power from a source of alternating voltage to a load
IPC: H02M5/257
Filed: 1973-11-23
Abstract: 1483896 Control of A.C. power to a load ELECTROTHERMAL ENG Ltd 20 Jan 1975 [23 Nov 1973] 54586/73 Heading H2H [Also in Division H3] A circuit for supplying and controlling power from an A.C. source to a load is arranged so that switching on of a controlled switch 1L series between the source and to the load can only occur at or near the zero crossings of the supply waveform, and also that a further input may be applied to prevent control signals from reaching the controlled switch. As shown, A.C. is supplied at 3 and may pass through triac T1 to load 6. A rectifier comprising diodes D1, D2, capacitors C1, C2 and zener diode Z1 is connected across the source 3 to supply power to an oscillator comprising operational amplifier IC1, capacitor C4 and resistors R1- R4. The mark/space ratio of the oscillator is variable by means of potentiometer 10 and the output is applied to gating transistor TR2 and thence to the trigger of triac T1 via resistor R6. The period of the oscillator is in the order of 1 second. A voltage detector comprises a bridge rectifier D6-D9 with transistor TR1 connected across a diagonal. This transistor is off only near zero-crossovers of the supply 3 and transistor TR2 is only enabled to pass the oscillator output during this period. The gating transistor TR2 may be inhibited also by a signal on the line 7 via diode D10.
Patent GB-1144799-A (GB)
Title: Improvements in or relating to methods of manufacturing scissors
Inventor: SANDERS FRANK ANTHONY
IPC: B26B13/00
Filed: 1967-12-08
Abstract: 1,144,799. Scissors. SANDERS & BOWERS Ltd. 8 Dec., 1967, No. 55820/67. Heading B4B. [Also in Division B3] A pair of scissors made from stainless steel blanks has moulded plastics handles 6 with the thickness T of plastics on the adjacent faces greater than the thickness t on the outer faces. The plastics may be thermoplastic or thermosetting and may extend along the shanks 3. Either or both of the blades 2 is or are serrated and/or bevelled and at least one of the blades is concave towards the other to provide point contact between the cutting edges.
Patent GB-1377757-A (GB)
Title: Method and apparatus for underwater arc welding
IPC: B23K9/00
Filed: 1971-12-07
Abstract: 1377757 Welding by fusion ANNA WELDING CORP 7 Dec 1971 56708/71 Heading B3R In underwater, consumable electrode, A.C. or D.C., arc welding, water is kept from contact with the arc and the welding zone of the workpiece by shielding gas at a pressure exceeding the water pressure. A wire supply reel 38 and wire feed mechanism 60 are enclosed in a submersible water tight box 20 provided with a wire feed speed control knob 40. The box has two openings, one, 32, connected by a conduit 16 to a power source and air blower (10) and a shielding gas source (14) carried by a boat on the water surface (Fig. 1, not shown), and the other, 96, connected by a conduit 74 to a welding gun 64. The power source may be a generator and a rectifier producing D.C. The conduit 16 encloses a power cable 22, an earth wire (24), a shielding gas line 26 and a 110V A.C. feed motor cable 28. The gas source (14) may supply gas both to the conduit 16 and hence the interior of the box 20 and to the gas line 26; alternatively, the conduit 16 and box 20 may be fed with air as from the source (10). Consumable electrode wire 94 from the feed mechanism 60 is passed to the gun through a guide tube 62 carying the gas from the line 26. The gun 64 has a wire feed and welding current control switch 66 and the conduits 16, 74 may be of rubber or rubberized or plastics fabric, said fabric permitting trigger switch actuation therethrough; alternatively, the trigger switch may be disposed on the exterior of the conduit 74. The box 20 may be provided with a gas pressure loss responsive switch for de-energization of the power source. In an alternative embodiment, the box 20 may be entirely jacketed by a cover connected to the conduits 16, 74. The welding gun 64 has its tip extending into a cylindrical housing 120 having, at one end, a transparent viewing plate 122 and, at the other end, a flexible, preferably porous, foam rubber or plastics, gasket 144 for contact, e.g. sliding, with the workpiece. The face of the gasket 144 may have a configuration, e.g. curved, to suit the workpiece. The welding gun has a second switch, 100, for a solenoid-actuated valve controlling gas flow through a debris and water clearing jet 112. The gun tip extends into the housing 120 through a flexible seal 154 of rubber or plastics. Shielding gas from the line 26, or directly from the source above the water surface, is fed to the interior of the housing 120 through a fitting (164) in a housing extension 168 and through an annular, radial, diffuser 172. A light 182, e.g. powered from the cable 28, is directed through a window 180. An L-shaped gas, water and welding particle vent pipe (132) is screwed into the housing at 126 and is adjustable in vent direction to accommodate different welding positions. Shielding gases may be He, Ne, Kr, Xe, Rn, A (e.g. with 1-5% oxygen) or CO 2  alone or as a mixture with any of the aforesaid gases. Inner (electrode surrounding) and outer gas shields may be of the same or different gases. The outer gas shield may be air.
Patent GB-1456979-A (GB)
Title: Process and apparatus for automatically controlling an oxygen  top-blowing process
IPC: C21C5/30
Filed: 1973-12-10
Abstract: 1456979 Controlling top-blown converter SIEMENS AG and FRIED KRUPP GmbH 10 Dec 1973 [8 Dec 1972] 57213/73 Heading C7D In a top-blown converter process the oxygen distribution is monitored and any deviation from a predetermined value, or change in the latter caused to alter the lance height through a control loop. Furthermore the deviation and its rate of change are also monitored whereby when the deviation exceeds a pre-set limit the control loop is overridden and the lance moved by an alternative system to a position determined by the magnitude of the deviation, control then reverting to the primary system after a predetermined delay; when the deviation does not exceed the limit, and is decreasing at or above a pre-set rate, the gain of the primary controller is brought to zero, but is given a finite value above that rate. As particularly described the oxygen distribution value 11 is compared at 5 with target value 13 and caused to operate primary controller 1. If the deviation is excessive unit 4 transfers control to open loop unit 3, the action of the latter being blocked by comparator 6 unless the magnitude of the adjustment is above a threshold value. The gain of controller 1 is adjusted by circuit 14 while a further controller 2 is responsible for oxygen flow, the oxygen flow and lance height systems being inter-connected.
Patent GB-1337460-A (GB)
Title: Method and apparatus for the manufacture of texturised yarns
IPC: D02G1/04
Filed: 1971-12-09
Abstract: 1337460 Crimping yarns; false-twisters RHONE-POULENC-TEXTILE 9 Dec 1971 [10 Dec 1970] 57286/71 Headings DID and D1F In a method of texturising i.e. false-twist crimping, a thermoplastic yarn 1 is fed from a bobbin 2 by rollers 3 and 4 and nip roller 5 through a heating zone e.g. in contact with a hot plate 6, thence through a texturising nozzle 7 whence it is passed by take-off rollers 8 and 9 and nip roller 10 to a ring 12 and traveller 13 device whereby the texturised yarn is taken up as a cap 11. Nozzle 7, Fig. 2, is formed by blocks 14, 15, located by pins 16, 17, engaging in corresponding recesses in the other block, having mutually aligned passages forming a duct for the passage of yarn when an adjustable movable member 21 closes slits as at 21 after the initial threading up. Inlet channel 18 cut in the face of block 15 supplies pressure fluid to a circular groove 19 which directs a single stream of fluid tangentially into the duct to effect twisting (S or Z) of the, yarn located therein by a part 22. The pin 16 shuts off the groove 19 to prevent recycling of the fluid. A double twisting nozzle, Figs. 4 and 10 (not shown) effects twisting alternately in opposite directions. In other embodiments of the nozzle, Figs. 5-8 (not shown) the yarn is also subjected to the (locating) action of an additional and counter stream of fluid supplied through a separate inlet formed in the abutting face of one block or the other or by division of the main stream so as to flow in opposite directions through different portions of the groove 19. This groove may be in the form of a loop, Fig: 9 (not shown).
Patent GB-1364102-A (GB)
Title: Manufacture of n-aryl-thiazole-2-sulphenamide
IPC: C07D277/80
Filed: 1971-12-13
Abstract: 1364102 N - arylthiazole - 2 - sulphenamides UNIVERSAL OIL PRODUCTS CO 13 Dec 1971 [14 Dec 1970 21 Dec 1970] 57719/71 Heading C2C An N-arylthiazolesulphenamide is prepared by reacting a thiazolesulphenamide which is unsubstituted or mono- or dialkyl substituted in the amide moiety with an arylamine or arylamine acid salt. Suitable arylamines include, aniline p-toluidine, p-methoxyaniline, and p-chloroaniline, the reaction therewith preferably taking place in a solvent, e.g. benzene at a temperature of from 30 to 100‹ C. and continuously removing the ammonia or amine evolved in the reaction. Suitable arylamine acid salts include aniline hydrochloride, aniline sulphate, p-bromoaniline hydrochloride, pnitroaniline hydrochloride, 2,6-dimethylaniline hydrochloride, p-toluidine hydrochloride, o-anisidine hydrochloride, p-thioanisidine hydrochloride, N-ethylaniline hydrochloride and diphenylamine hydrochloride, the reaction therewith preferably taking place in a solvent, e.g. an alcohol, ether or ketone/water mixture, at a temperature of up to 100‹ C.
Patent GB-1370440-A (GB)
Title: Method of controlling the flow of plastics material in an extruder and an extruder provided with means for carrying out such a method
IPC: B29C48/395
Filed: 1971-12-13
Abstract: 1370440 Extruder throttle SCHWEIZERISCHE INDUSTRIE - GESELLSCHAFT 13 Dec 1971 [22 Dec 1970] 57816/71 Heading B5A [Also in Division B1] The rate of feed of molten plastics material being delivered by an extrusion screw 1 is adjusted by alteration in the length, without alteration of the cross-section, of a constricted flow passage defined between the extrusion cylinder and a cylindrical portion of the extruder'screw 6. The passage may be defined by an axially fixed cylindrical surface projecting inwardly from the cylinder, and either an axially fixed cylindrical boss on the screw shaft which is axially displaceable, or a similar boss axially movable along a non-axially displaceable screw, or as in the described embodiment by the. cylindrical surface 6A of a boss 6 integral with a non-axially displaceable screw, and a cylindrical surface; of the same length 4B, of an axially adjustable cylinder sleeve 4. The sleeve 4 is axially adjustable, from the inoperative downstream position of Fig. 1, to an upstream position defining the maximum length of passage and with the surfaces 6A, 4B coextensive. The axial adjustment of the sleeve. 4 is effected upon rotation of a non-axially displaceable nut 7 manually engaged at holes 7A by a bar through an externally open cylinder groove 11, the nut 7 threadedly engaging the sleeve 4 which is prevented from rotation by keyed engagement at 4C, 8A within an annular space defined between outer and inner cylinder members 8, 3A. The nut 7 and cylinder member 8 are retained between upstream and downstream cylinder portions 9, 5, clamped together by a plurality of screws 10. A further adjustable passage may be located upstream of the. discharge end of the extruder. In the Fig. 6  embodiment, the adjustable passage is located upstream of a cylinder gas discharge channel, with the extruder screw being provided downstream of the passage with ribs 12 with which co-operate four circumferentially spaced sharp ended rods 13, projecting inwardly from the cylinder to split the streams delivered from the channels between the ribs 12, to facilitate escape of gas and effect mixing of the plastics melt. The rods 13 are mounted by screwed sleeves 16 to facilitate replacement by rods of different length. The ribs 12 may be of a progressively increasing height around the circumference of the screw, or may extend helically and be of the same, or of opposite hand to the thread 2 of the screw 1.
Patent GB-1430751-A (GB)
Title: Positioning of moveble parts
IPC: G05B19/4103
Filed: 1971-12-14
Abstract: 1430751 Programmed control INDUSTRY SECRETARY OF STATE FOR 14 March 1973 [14 Dec 1971] 57922/71 Heading G3N The motion of a movable part on a predetermined straight or arcuate line within a single quadrant of a system of rectangular co-ordinates is controlled by apparatus comprising a pulse generator, an accumulator initially containing a pre-selected number, a first register which initially contains the resultant increment of y co-ordinates through which the movable part is required to move or the y co-ordinates of the centre of curvature of the arcuate path, a second register for the corresponding x co-ordinates and driving means for moving the movable part in equal increments of chosen magnitude, parallel toy and y co-ordinate axes. The movements are determined, in accordance with an algorith set out in the Specification, by logic circuits controllable in accordance with the contents of the accumulator and registers to allow the pulse generator to issue control pulses to the driving means.
Patent GB-584238-A (GB)
Abstract: 584,238. Draught stabilizer for flues. HOARE, Ltd., J., and HOARE, W. J. Dec. 21, 1944, No. 25641. [Class 51 (i)] [Also in Group XI] A draught stabilizer for flues comprises a bent pipe d one end being so mounted as to open to the flue a while the other end carries a frame in which is pivoted the stabilizing door; the pipe is mounted rotatably relative to the flue and the frame is rotatable relative to the pipe about an axis perpendicular to the plane of the seating surface and inclined to the axis of rotation of the pipe. The door f is held shut by an eccentrically mounted weight h and is fixed at its centre to an arm g which is pivoted at g<1>, beyond the periphery of the door, in the seating e. The end of pipe d remote from the door seating rotates in the flanged cylindrical pipe b, held to the flue a by screws c. Correct orientation of the door in a vertical position is obtained by rotation of the pipe and seating respectively, both of which may be held firm by set screws.
Patent GB-1339446-A (GB)
Title: Hydropneumatic surge absorbing apparatus
IPC: F16L41/02
Filed: 1970-12-22
Abstract: 1339446 Hydraulic accumulators W S EVERETT 22 Dec 1970 [19 March 1970] 60848/70 Heading F1D A surge absorbing apparatus for connection to a header pipe in a liquid transmission pipe system comprises a closed vessel 14 containing a swirl chamber 21 having an upper tangential inlet 22 and lower central outlet 23, the chamber 21 being conical so that liquid passed tangentially into the inlet swirls around to define a vortex prior to flowing out of the outlet 23. The vessel 14 is partially filled with liquid, in which the lower outlet 23 is submerged, and the remaining portion of the vessel 14 is filled with a gas under pressure The swirl chamber construction is such that the resistance to incoming fluid through the inlet 22 is from 5 to 100 times the resistance to back flow of fluid through the swirl chamber and into the piping system. The apparatus is particularly useful in sewage piping systems for alleviating shock and surges caused by the starting and shutting down of pumps in the sewage system.
Patent GB-1331240-A (GB)
Title: Dispensers for liquid products
IPC: G01F11/08
Filed: 1970-12-29
Abstract: 1331240 Piston type dispensers ZYMA SA 29 Dec 1970 [29 Dec 1969] 61615/70 Heading F1R A dispenser for liquid soap comprises a body 6 holding a cartridge of liquid soap 7, a piston 14, and a lever 18 pivoted axially on a crown 9 cooperating with means 4, for moving the piston along axis x-x as the lever is rotated about it. Lever 18 is shaped so that, on pivoting about axle 19, it clamps piston 14 against a crown 9 and subsequent movement about axis xx rotates the two together. Crown 9 has diametrically opposed protuberances 10 which co-operate with recesses 11 in support ring 4 so that the crown and piston move axially as they rotate. Crown 9 is biased to return to its original position by springs 13. The body 6 has a removable base 8 which may be provided with a metering valve or the cartridge may include a metering valve 21. Piston 14 is hollow with a cover 15 so that it may hold a cartridge 7'. In another embodiment lever 18 is operated through a Bowden cable by a foot pedal.
Patent GB-617812-A (GB)
Abstract: 617,812. Folding stools. FARRANT. C. F. J. Oct. 9, 1946, No. 30072. [Class 52 (iii)] In a folding stool wherein four U-shaped parts 1 ... 4 are pivoted together near the ends of their legs so as to fold into nested arrangement or unfold to form an X frame to support a seating fabric the parts are secured in the unfolded position by means of rectangular sleeves E slidable over the overlapping ends of the U-shaped parts.
Patent GB-643328-A (GB)
Abstract: 643,328. Jigs. HARVENGT, E. April 10, 1947. Nos. 9571 and 9572. Convention dates, April 17, 1946, and Feb. 13, 1947. [Class 82(ii)] In a method of operating washer boxes or jigs, the suction effect on the non- working stroke is balanced by forming a batch of liquid from an internal source on the upper side of a reciprocating piston which may be the washer box piston or an auxiliary piston, adjusting the volume of the batch in relation to the movements of the washer box piston, and supplying the batch of liquid to the lower side of the working stroke, clears a water inlet 6 and stroke. As shown, a jig piston 3 has a skirt 9 which, towards the end of the working stroke, clears a water inlet 6 and allows a batch of water to form on the upper side of the piston 3 and, on the non- working stroke, this batch is transferred, either by a non-return valve 7b in the piston or by overflowing through a pipe 7 also fitted with a non-return valve 8, to the main body of liquid in the jig. In a modification, Fig. 3, the batch of water is formed by an auxiliary piston 22, driven by a cam or an adjustable crank, which, on its downward stroke, which coincides with the non-working stroke of the jig piston 3, causes the batch to flow through a non- return valve 8 into the main body of water in the jig. The auxiliary piston may be placed above the jig piston, Fig. 4 (not shown), or two auxiliary pistons may be used, Fig. 6 (not shown), to give more accurate control of the batch. The water for the batch may be supplied directly from the mains or by means of slide or rotary valves. The volume of the batch may be adjusted to produce an over-balance or an under-balance of the suction effect of the jig piston.